- Max item count, after which no more items can be dropped
- IsDisplacable option: If true, an item can be dropped into a full list by displacing one of its items,
it may replace the dragged item in its origin list, be dropped in space or be deleted
depending on the dragged item's origin list and the displaced item
- Added respective Events
- fixed ever increasing number of _listContent components
- Stopped dragged item from blocking Raycasts
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